blob: 1fe39d3e0b9d0fa152e8d2dd441f1f8c8c4d36e4 [file] [log] [blame]
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkTypes.h"
#include "src/pathops/SkPathOpsBounds.h"
#include "src/pathops/SkPathOpsCubic.h"
#include "src/pathops/SkPathOpsCurve.h"
#include "src/pathops/SkPathOpsPoint.h"
#include "src/pathops/SkPathOpsQuad.h"
#include "tests/PathOpsTestCommon.h"
#include "tests/Test.h"
#include <array>
#include <cstddef>
static const SkRect sectTests[][2] = {
{{2, 0, 4, 1}, {4, 0, 6, 1}},
{{2, 0, 4, 1}, {3, 0, 5, 1}},
{{2, 0, 4, 1}, {3, 0, 5, 0}},
{{2, 0, 4, 1}, {3, 1, 5, 2}},
{{2, 1, 4, 2}, {1, 0, 5, 3}},
{{2, 1, 5, 3}, {3, 1, 4, 2}},
{{2, 0, 4, 1}, {3, 0, 3, 0}}, // intersecting an empty bounds is OK
{{2, 0, 4, 1}, {4, 1, 5, 2}}, // touching just on a corner is OK
};
static const size_t sectTestsCount = std::size(sectTests);
static const SkRect noSectTests[][2] = {
{{2, 0, 4, 1}, {5, 0, 6, 1}},
{{2, 0, 4, 1}, {3, 2, 5, 2}},
};
static const size_t noSectTestsCount = std::size(noSectTests);
DEF_TEST(PathOpsBounds, reporter) {
for (size_t index = 0; index < sectTestsCount; ++index) {
const SkPathOpsBounds& bounds1 = static_cast<const SkPathOpsBounds&>(sectTests[index][0]);
SkASSERT(ValidBounds(bounds1));
const SkPathOpsBounds& bounds2 = static_cast<const SkPathOpsBounds&>(sectTests[index][1]);
SkASSERT(ValidBounds(bounds2));
bool touches = SkPathOpsBounds::Intersects(bounds1, bounds2);
REPORTER_ASSERT(reporter, touches);
}
for (size_t index = 0; index < noSectTestsCount; ++index) {
const SkPathOpsBounds& bounds1 = static_cast<const SkPathOpsBounds&>(noSectTests[index][0]);
SkASSERT(ValidBounds(bounds1));
const SkPathOpsBounds& bounds2 = static_cast<const SkPathOpsBounds&>(noSectTests[index][1]);
SkASSERT(ValidBounds(bounds2));
bool touches = SkPathOpsBounds::Intersects(bounds1, bounds2);
REPORTER_ASSERT(reporter, !touches);
}
SkPathOpsBounds bounds;
bounds.setEmpty();
bounds.add(1, 2, 3, 4);
SkPathOpsBounds expected;
expected.setLTRB(0, 0, 3, 4);
REPORTER_ASSERT(reporter, bounds == expected);
bounds.setEmpty();
SkPathOpsBounds ordinal;
ordinal.setLTRB(1, 2, 3, 4);
bounds.add(ordinal);
REPORTER_ASSERT(reporter, bounds == expected);
bounds.setEmpty();
SkDPoint botRight = {3, 4};
bounds.add(botRight);
REPORTER_ASSERT(reporter, bounds == expected);
const SkPoint curvePts[] = {{0, 0}, {1, 2}, {3, 4}, {5, 6}};
SkDCurve curve;
curve.fQuad.set(curvePts);
curve.setQuadBounds(curvePts, 1, 0, 1, &bounds);
expected.setLTRB(0, 0, 3, 4);
REPORTER_ASSERT(reporter, bounds == expected);
curve.fCubic.set(curvePts);
curve.setCubicBounds(curvePts, 1, 0, 1, &bounds);
expected.setLTRB(0, 0, 5, 6);
REPORTER_ASSERT(reporter, bounds == expected);
}